Exercise platform



FIG. 1 is a bottom view of an exercise platform;

FIG. 2 is a top view of the exercise platform of FIG. 1;

FIG. 3 is a side view of the exercise platform of FIG. 1 with the opposite side being a mirror image thereof;

FIG. 4 is a top-right side perspective view based upon the orientation of FIG. 1;

FIG. 5 is an end view of the exercise platform based upon the orientation of FIG. 1; and,

FIG. 6 is an opposite end view of the exercise platform opposite the top side view of FIG. 1.

The broken lines and areas within the broken lines illustrate portions of the exercise platform that form no part of the claimed design. 

CLAIM The ornamental design for an exercise platform, as shown and described. 